Home / 2,047.29-3,070.93-1,007.78

Finding the Fourth Proportional to 2,047.29, 3,070.93 and 1,007.78

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Solution

The fourth proportional to 2,047.29, 3,070.93 and 1,007.78 is: 1,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.29 : 3,070.93 = 1,007.78 : x
  2. Step 2: Convert to fraction form
    2,047.29/3,070.93 = 1,007.78/x
  3. Step 3: Cross multiply
    2,047.29x = 3,070.93 × 1,007.78
  4. Step 4: Simplify right side
    2,047.29x = 3,094,821.84
  5. Step 5: Solve for x
    x = 3,094,821.84/2,047.29
  6. Step 6: Final answer
    x = 1,511.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.